Home / 30,443,599.19-45,660,970.10-8,872,409

Finding the Fourth Proportional to 30,443,599.19, 45,660,970.10 and 8,872,409

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Solution

The fourth proportional to 30,443,599.19, 45,660,970.10 and 8,872,409 is: 13,307,322.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,443,599.19 : 45,660,970.10 = 8,872,409 : x
  2. Step 2: Convert to fraction form
    30,443,599.19/45,660,970.10 = 8,872,409/x
  3. Step 3: Cross multiply
    30,443,599.19x = 45,660,970.10 × 8,872,409
  4. Step 4: Simplify right side
    30,443,599.19x = 405,122,802,063,970.94
  5. Step 5: Solve for x
    x = 405,122,802,063,970.94/30,443,599.19
  6. Step 6: Final answer
    x = 13,307,322.81

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.